--- jsr166/src/test/tck/LinkedBlockingQueueTest.java	2015/05/23 00:53:08	1.60
+++ jsr166/src/test/tck/LinkedBlockingQueueTest.java	2017/05/13 22:49:01	1.70
@@ -41,16 +41,24 @@ public class LinkedBlockingQueueTest ext
     }
 
     public static Test suite() {
+        class Implementation implements CollectionImplementation {
+            public Class<?> klazz() { return LinkedBlockingQueue.class; }
+            public Collection emptyCollection() { return new LinkedBlockingQueue(); }
+            public Object makeElement(int i) { return i; }
+            public boolean isConcurrent() { return true; }
+            public boolean permitsNulls() { return false; }
+        }
         return newTestSuite(LinkedBlockingQueueTest.class,
                             new Unbounded().testSuite(),
-                            new Bounded().testSuite());
+                            new Bounded().testSuite(),
+                            CollectionTest.testSuite(new Implementation()));
     }
 
     /**
      * Returns a new queue of given size containing consecutive
-     * Integers 0 ... n.
+     * Integers 0 ... n - 1.
      */
-    private LinkedBlockingQueue<Integer> populatedQueue(int n) {
+    private static LinkedBlockingQueue<Integer> populatedQueue(int n) {
         LinkedBlockingQueue<Integer> q =
             new LinkedBlockingQueue<Integer>(n);
         assertTrue(q.isEmpty());
@@ -59,6 +67,7 @@ public class LinkedBlockingQueueTest ext
         assertFalse(q.isEmpty());
         assertEquals(0, q.remainingCapacity());
         assertEquals(n, q.size());
+        assertEquals((Integer) 0, q.peek());
         return q;
     }
 
@@ -283,7 +292,7 @@ public class LinkedBlockingQueueTest ext
             }});
 
         await(pleaseInterrupt);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
         assertEquals(SIZE, q.size());
@@ -318,7 +327,7 @@ public class LinkedBlockingQueueTest ext
         assertEquals(0, q.take());
 
         await(pleaseInterrupt);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
         assertEquals(0, q.remainingCapacity());
@@ -345,7 +354,7 @@ public class LinkedBlockingQueueTest ext
             }});
 
         await(pleaseInterrupt);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.TIMED_WAITING);
         t.interrupt();
         awaitTermination(t);
     }
@@ -368,9 +377,7 @@ public class LinkedBlockingQueueTest ext
         final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
         Thread t = newStartedThread(new CheckedRunnable() {
             public void realRun() throws InterruptedException {
-                for (int i = 0; i < SIZE; ++i) {
-                    assertEquals(i, q.take());
-                }
+                for (int i = 0; i < SIZE; i++) assertEquals(i, q.take());
 
                 Thread.currentThread().interrupt();
                 try {
@@ -388,7 +395,7 @@ public class LinkedBlockingQueueTest ext
             }});
 
         await(pleaseInterrupt);
-        assertThreadStaysAlive(t);
+        assertThreadBlocks(t, Thread.State.WAITING);
         t.interrupt();
         awaitTermination(t);
     }
@@ -440,25 +447,23 @@ public class LinkedBlockingQueueTest ext
         final CountDownLatch aboutToWait = new CountDownLatch(1);
         Thread t = newStartedThread(new CheckedRunnable() {
             public void realRun() throws InterruptedException {
+                long startTime = System.nanoTime();
                 for (int i = 0; i < SIZE; ++i) {
-                    long t0 = System.nanoTime();
                     assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
-                    assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
                 }
-                long t0 = System.nanoTime();
                 aboutToWait.countDown();
                 try {
-                    q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
+                    q.poll(LONG_DELAY_MS, MILLISECONDS);
                     shouldThrow();
                 } catch (InterruptedException success) {
-                    assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS);
+                    assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
                 }
             }});
 
-        aboutToWait.await();
-        waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
+        await(aboutToWait);
+        assertThreadBlocks(t, Thread.State.TIMED_WAITING);
         t.interrupt();
-        awaitTermination(t, MEDIUM_DELAY_MS);
+        awaitTermination(t);
         checkEmpty(q);
     }
 
@@ -722,23 +727,23 @@ public class LinkedBlockingQueueTest ext
         final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
         q.add(one);
         q.add(two);
-        ExecutorService executor = Executors.newFixedThreadPool(2);
         final CheckedBarrier threadsStarted = new CheckedBarrier(2);
-        executor.execute(new CheckedRunnable() {
-            public void realRun() throws InterruptedException {
-                assertFalse(q.offer(three));
-                threadsStarted.await();
-                assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS));
-                assertEquals(0, q.remainingCapacity());
-            }});
-
-        executor.execute(new CheckedRunnable() {
-            public void realRun() throws InterruptedException {
-                threadsStarted.await();
-                assertSame(one, q.take());
-            }});
-
-        joinPool(executor);
+        final ExecutorService executor = Executors.newFixedThreadPool(2);
+        try (PoolCleaner cleaner = cleaner(executor)) {
+            executor.execute(new CheckedRunnable() {
+                public void realRun() throws InterruptedException {
+                    assertFalse(q.offer(three));
+                    threadsStarted.await();
+                    assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS));
+                    assertEquals(0, q.remainingCapacity());
+                }});
+
+            executor.execute(new CheckedRunnable() {
+                public void realRun() throws InterruptedException {
+                    threadsStarted.await();
+                    assertSame(one, q.take());
+                }});
+        }
     }
 
     /**
@@ -747,22 +752,22 @@ public class LinkedBlockingQueueTest ext
     public void testPollInExecutor() {
         final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
         final CheckedBarrier threadsStarted = new CheckedBarrier(2);
-        ExecutorService executor = Executors.newFixedThreadPool(2);
-        executor.execute(new CheckedRunnable() {
-            public void realRun() throws InterruptedException {
-                assertNull(q.poll());
-                threadsStarted.await();
-                assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
-                checkEmpty(q);
-            }});
-
-        executor.execute(new CheckedRunnable() {
-            public void realRun() throws InterruptedException {
-                threadsStarted.await();
-                q.put(one);
-            }});
-
-        joinPool(executor);
+        final ExecutorService executor = Executors.newFixedThreadPool(2);
+        try (PoolCleaner cleaner = cleaner(executor)) {
+            executor.execute(new CheckedRunnable() {
+                public void realRun() throws InterruptedException {
+                    assertNull(q.poll());
+                    threadsStarted.await();
+                    assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
+                    checkEmpty(q);
+                }});
+
+            executor.execute(new CheckedRunnable() {
+                public void realRun() throws InterruptedException {
+                    threadsStarted.await();
+                    q.put(one);
+                }});
+        }
     }
 
     /**